RIL, Bharti Airtel, UltraTech Cement, ICICI Bank and Sun Pharma were among the top gainers on Sensex as Indian benchmark indices continued their record run for a second consecutive session on Wednesday. M&M, Tata Steel, Tech Mahindra, JSW Steel and Titan were among the top losers on Sensex. Apollo Hospitals, Bajaj Auto and Hindalco were among the top Nifty losers.